Your first link, while it seems to be a UN organization's web site, is a repost of an article from Forbes magazine. https://www.forbes.com/sites/realspin/2014/

Your first link, while it seems to be a UN organization's web site, is a repost of an article from Forbes magazine. https://www.forbes.com/sites/realspin/2014/03/13/5-ways-the-government-keeps-native-americans-in-poverty/ https://www.forbes.com/sites/realspin/2014/03/13/5-ways-the-... "Shawn Regan is a research fellow at the Property and Environment Research Center (PERC)”. https://perc.org/about-us/ https://perc.org/about-us/ "Founded in 1980 by a handful of outdoor-oriented economists in Bozeman, Montana, PERC—the Property and Environment Research Center—is a conservation and research institute dedicated to free market environmentalism." Free market environmentalism does not describe the position of most tribes in the US and I'm fairly sure that the vast majority consider allotment one of the major injustices and not something to repeat. Many tribes have been working to repurchase land that was lost due to allotment.